﻿/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*  Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv_errno.h"
#include <cstdio>

#if defined(_WIN32)
#define FD_SETSIZE 1024 //修改默认64为1024路
#include <winsock2.h>
#include <windows.h>
#else
#include <cerrno>
#endif // defined(_WIN32)

namespace toolkit
{

	static const char* uv__unknown_err_code(int err)
	{
		static char buf[32];
		snprintf(buf, sizeof(buf), "Unknown system error %d", err);
		return buf;
	}

#define UV_ERR_NAME_GEN(name, _) case UV_ ## name: return #name;
	const char* uv_err_name(int err)
	{
		switch (err)
		{
			UV_ERRNO_MAP(UV_ERR_NAME_GEN)
		}
		return uv__unknown_err_code(err);
	}
#undef UV_ERR_NAME_GEN

#define UV_STRERROR_GEN(name, msg) case UV_ ## name: return msg;
	const char* uv_strerror(int err)
	{
		switch (err)
		{
			UV_ERRNO_MAP(UV_STRERROR_GEN)
		}
		return uv__unknown_err_code(err);
	}
#undef UV_STRERROR_GEN

	int uv_translate_posix_error(int err)
	{
		if (err <= 0)
		{
			return err;
		}
		switch (err)
		{
			//为了兼容windows/unix平台，信号EINPROGRESS ，EAGAIN，EWOULDBLOCK，ENOBUFS 全部统一成EAGAIN处理
		case ENOBUFS://在mac系统下实测发现会有此信号发生
		case EINPROGRESS:
		case EWOULDBLOCK: err = EAGAIN; break;
		default: break;
		}
		return -err;
	}

	int get_uv_error(bool netErr)
	{
#if defined(_WIN32)
		auto errCode = netErr ? WSAGetLastError() : GetLastError();
		switch (errCode)
		{
		case ERROR_NOACCESS:                    return UV_EACCES;
		case WSAEACCES:                         return UV_EACCES;
#if defined(ERROR_ELEVATION_REQUIRED)
		case ERROR_ELEVATION_REQUIRED:          return UV_EACCES;
#endif //ERROR_ELEVATION_REQUIRED
		case ERROR_ADDRESS_ALREADY_ASSOCIATED:  return UV_EADDRINUSE;
		case WSAEADDRINUSE:                     return UV_EADDRINUSE;
		case WSAEADDRNOTAVAIL:                  return UV_EADDRNOTAVAIL;
		case WSAEAFNOSUPPORT:                   return UV_EAFNOSUPPORT;
		case WSAEWOULDBLOCK:                    return UV_EAGAIN;
		case WSAEALREADY:                       return UV_EALREADY;
		case ERROR_INVALID_FLAGS:               return UV_EBADF;
		case ERROR_INVALID_HANDLE:              return UV_EBADF;
		case ERROR_LOCK_VIOLATION:              return UV_EBUSY;
		case ERROR_PIPE_BUSY:                   return UV_EBUSY;
		case ERROR_SHARING_VIOLATION:           return UV_EBUSY;
		case ERROR_OPERATION_ABORTED:           return UV_ECANCELED;
		case WSAEINTR:                          return UV_ECANCELED;
		case ERROR_NO_UNICODE_TRANSLATION:      return UV_ECHARSET;
		case ERROR_CONNECTION_ABORTED:          return UV_ECONNABORTED;
		case WSAECONNABORTED:                   return UV_ECONNABORTED;
		case ERROR_CONNECTION_REFUSED:          return UV_ECONNREFUSED;
		case WSAECONNREFUSED:                   return UV_ECONNREFUSED;
		case ERROR_NETNAME_DELETED:             return UV_ECONNRESET;
		case WSAECONNRESET:                     return UV_ECONNRESET;
		case ERROR_ALREADY_EXISTS:              return UV_EEXIST;
		case ERROR_FILE_EXISTS:                 return UV_EEXIST;
		case ERROR_BUFFER_OVERFLOW:             return UV_EFAULT;
		case WSAEFAULT:                         return UV_EFAULT;
		case ERROR_HOST_UNREACHABLE:            return UV_EHOSTUNREACH;
		case WSAEHOSTUNREACH:                   return UV_EHOSTUNREACH;
		case ERROR_INSUFFICIENT_BUFFER:         return UV_EINVAL;
		case ERROR_INVALID_DATA:                return UV_EINVAL;
		case ERROR_INVALID_PARAMETER:           return UV_EINVAL;
#if defined(ERROR_SYMLINK_NOT_SUPPORTED)
		case ERROR_SYMLINK_NOT_SUPPORTED:       return UV_EINVAL;
#endif //ERROR_SYMLINK_NOT_SUPPORTED
		case WSAEINVAL:                         return UV_EINVAL;
		case WSAEPFNOSUPPORT:                   return UV_EINVAL;
		case WSAESOCKTNOSUPPORT:                return UV_EINVAL;
		case ERROR_BEGINNING_OF_MEDIA:          return UV_EIO;
		case ERROR_BUS_RESET:                   return UV_EIO;
		case ERROR_CRC:                         return UV_EIO;
		case ERROR_DEVICE_DOOR_OPEN:            return UV_EIO;
		case ERROR_DEVICE_REQUIRES_CLEANING:    return UV_EIO;
		case ERROR_DISK_CORRUPT:                return UV_EIO;
		case ERROR_EOM_OVERFLOW:                return UV_EIO;
		case ERROR_FILEMARK_DETECTED:           return UV_EIO;
		case ERROR_GEN_FAILURE:                 return UV_EIO;
		case ERROR_INVALID_BLOCK_LENGTH:        return UV_EIO;
		case ERROR_IO_DEVICE:                   return UV_EIO;
		case ERROR_NO_DATA_DETECTED:            return UV_EIO;
		case ERROR_NO_SIGNAL_SENT:              return UV_EIO;
		case ERROR_OPEN_FAILED:                 return UV_EIO;
		case ERROR_SETMARK_DETECTED:            return UV_EIO;
		case ERROR_SIGNAL_REFUSED:              return UV_EIO;
		case WSAEISCONN:                        return UV_EISCONN;
		case ERROR_CANT_RESOLVE_FILENAME:       return UV_ELOOP;
		case ERROR_TOO_MANY_OPEN_FILES:         return UV_EMFILE;
		case WSAEMFILE:                         return UV_EMFILE;
		case WSAEMSGSIZE:                       return UV_EMSGSIZE;
		case ERROR_FILENAME_EXCED_RANGE:        return UV_ENAMETOOLONG;
		case ERROR_NETWORK_UNREACHABLE:         return UV_ENETUNREACH;
		case WSAENETUNREACH:                    return UV_ENETUNREACH;
		case WSAENOBUFS:                        return UV_ENOBUFS;
		case ERROR_BAD_PATHNAME:                return UV_ENOENT;
		case ERROR_DIRECTORY:                   return UV_ENOENT;
		case ERROR_FILE_NOT_FOUND:              return UV_ENOENT;
		case ERROR_INVALID_NAME:                return UV_ENOENT;
		case ERROR_INVALID_DRIVE:               return UV_ENOENT;
		case ERROR_INVALID_REPARSE_DATA:        return UV_ENOENT;
		case ERROR_MOD_NOT_FOUND:               return UV_ENOENT;
		case ERROR_PATH_NOT_FOUND:              return UV_ENOENT;
		case WSAHOST_NOT_FOUND:                 return UV_ENOENT;
		case WSANO_DATA:                        return UV_ENOENT;
		case ERROR_NOT_ENOUGH_MEMORY:           return UV_ENOMEM;
		case ERROR_OUTOFMEMORY:                 return UV_ENOMEM;
		case ERROR_CANNOT_MAKE:                 return UV_ENOSPC;
		case ERROR_DISK_FULL:                   return UV_ENOSPC;
		case ERROR_EA_TABLE_FULL:               return UV_ENOSPC;
		case ERROR_END_OF_MEDIA:                return UV_ENOSPC;
		case ERROR_HANDLE_DISK_FULL:            return UV_ENOSPC;
		case ERROR_NOT_CONNECTED:               return UV_ENOTCONN;
		case WSAENOTCONN:                       return UV_ENOTCONN;
		case ERROR_DIR_NOT_EMPTY:               return UV_ENOTEMPTY;
		case WSAENOTSOCK:                       return UV_ENOTSOCK;
		case ERROR_NOT_SUPPORTED:               return UV_ENOTSUP;
		case ERROR_BROKEN_PIPE:                 return UV_EOF;
		case ERROR_ACCESS_DENIED:               return UV_EPERM;
		case ERROR_PRIVILEGE_NOT_HELD:          return UV_EPERM;
		case ERROR_BAD_PIPE:                    return UV_EPIPE;
		case ERROR_NO_DATA:                     return UV_EPIPE;
		case ERROR_PIPE_NOT_CONNECTED:          return UV_EPIPE;
		case WSAESHUTDOWN:                      return UV_EPIPE;
		case WSAEPROTONOSUPPORT:                return UV_EPROTONOSUPPORT;
		case ERROR_WRITE_PROTECT:               return UV_EROFS;
		case ERROR_SEM_TIMEOUT:                 return UV_ETIMEDOUT;
		case WSAETIMEDOUT:                      return UV_ETIMEDOUT;
		case ERROR_NOT_SAME_DEVICE:             return UV_EXDEV;
		case ERROR_INVALID_FUNCTION:            return UV_EISDIR;
		case ERROR_META_EXPANSION_TOO_LONG:     return UV_E2BIG;
		default:                                return errCode;
		}
#else
		return uv_translate_posix_error(errno);
#endif // defined(_WIN32)
	}

	const char* get_uv_errmsg(bool netErr)
	{
		return uv_strerror(get_uv_error(netErr));
	}

}//namespace toolkit